Triple
T14219767
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Akiruno |
E352457
|
entity |
| Predicate | hasRailwayService |
P782
|
FINISHED |
| Object | JR East Itsukaichi Line |
—
|
NE NERFINISHED |
How this triple was built (3 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: JR East Itsukaichi Line | Statement: [Akiruno, hasRailwayService, JR East Itsukaichi Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR East Itsukaichi Line Context triple: [Akiruno, hasRailwayService, JR East Itsukaichi Line]
-
A.
JR East Keiyō Line
The JR East Keiyō Line is a railway line in the Tokyo–Chiba area of Japan that runs along the Tokyo Bay waterfront, linking central Tokyo with destinations such as Maihama (Tokyo Disney Resort) and Chiba.
-
B.
JR East Ōme Line
The JR East Ōme Line is a railway line in western Tokyo operated by East Japan Railway Company, connecting urban areas with the Tama region and the foothills of the Okutama area.
-
C.
JR Katamachi Line
The JR Katamachi Line, also known as the Gakkentoshi Line, is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West that connects central Osaka with suburban cities including Hirakata.
-
D.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
E.
JR East Joban Line
The JR East Joban Line is a major railway line in Japan operated by East Japan Railway Company, running between central Tokyo and the Tohoku region along the Pacific coast.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: JR East Itsukaichi Line Target entity description: The JR East Itsukaichi Line is a regional railway line in western Tokyo operated by East Japan Railway Company, connecting suburban communities such as Akiruno with the broader Tokyo rail network.
-
A.
JR East Keiyō Line
The JR East Keiyō Line is a railway line in the Tokyo–Chiba area of Japan that runs along the Tokyo Bay waterfront, linking central Tokyo with destinations such as Maihama (Tokyo Disney Resort) and Chiba.
-
B.
JR East Ōme Line
The JR East Ōme Line is a railway line in western Tokyo operated by East Japan Railway Company, connecting urban areas with the Tama region and the foothills of the Okutama area.
-
C.
JR Katamachi Line
The JR Katamachi Line, also known as the Gakkentoshi Line, is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West that connects central Osaka with suburban cities including Hirakata.
-
D.
JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
-
E.
JR East Joban Line
The JR East Joban Line is a major railway line in Japan operated by East Japan Railway Company, running between central Tokyo and the Tohoku region along the Pacific coast.
- F. None of above. chosen
Provenance (2 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d8278a06e481908b5d6af0a8afe737 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de621258d4819085f358cd2cf109e4 |
completed | April 14, 2026, 3:49 p.m. |
Created at: April 10, 2026, 1:06 a.m.